GroundRosterJeffrey Hammes
| Name | Jeffrey Hammes |
| License type | Soil Tester |
| Location | Washington County, Wisconsin |
| Service area | Soil Testing |
| Phone | (608) 233-9200 |
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How to verify this license
We publish this listing exactly as it appears in Wisconsin's official licensing records; we do not vouch for the business itself. Before hiring, look up this license directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: Washington County POWTS Program, last checked 2026-08-19. Verify at the official source.
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